What We May Not Know About Semen

Was browsing through the net today (as Suwenis on family duty this weekend so I am going to be bored to tears apart from studying) and believe it or not, this was the first thing that came to my screen. I must share this with you people.

Click me for bigger view!

Learning is fun!

And we men thought we know everything that we need to know about our bodies.... sheesh...

P/S: you can never be a bigger nerd if your friends refer to you as the walking "Wikipedia". True story.